Carbon Sub Index breakdown

Date of Evaluation Date of Eval. Index Trait PTA *Carbon Cost (€) Contribution Contrib.
PTA * Carbon Cost
May 2025 Milk Sub Index 9.06
Milk (kg) -86.00 -0.014 1.20
Fat (kg) -12.04 -0.375 4.51
Prot (kg) -7.59 -0.441 3.35
Fertility Sub Index 6.02
Calving Interval (days) -3.63 -1.459 5.30
Survival (%) 0.65 1.117 0.73
Calving Sub Index 0.45
Gestation Length (days) -0.49 -0.919 0.45
Beef Sub Index -0.35
Carcass Weight (kg) -0.80 -0.528 0.42
Age of Slaughter (days) 1.79 -0.432 -0.77
Maintenance Sub Index Maint. Sub Index 2.70
Live WT (kg) -8.80 -0.307 2.70
Total Carbon Sub Index 17.89

* Based on an €80/tonne carbon price